See:

Georgi Valentinovich Plekhanov (1856–1918): His place in the history of Marxism. By David North and Vladimir Volkov (World Socialist Web Site, 5 December 2016). “Plekhanov remains … a major figure in the history of socialist and Marxist thought.”

Georgi Plekhanov: Tragedy of a forerunner. By Doug Enaa Greene (Links: International Journal of Socialist Renewal, July 28, 2016). “Plekhanov almost single-handedly introduced Marxism into the Russian Empire and popularized it for a generation of socialist militants. However, Plekhanov’s Marxism was seriously flawed …”

Plekhanov and the foundation of Marxism in Russia. Chapter 4 in: From little things big things grow: Strategies for building revolutionary socialist organisations. By Mick Armstrong (Socialist Alternatives, 2007, 83 p.). “Georgii Plekhanov was the pathbreaker who played a central role in founding the Marxist movement in Russia in the 1880s.”

Plekhanov: father of Russian Marxism. By Sean Matgamna (Solidarity, 3/55, 15 July 2004). “Polemically demolishing populism, Plekhanov put the working class into the leading place in his conception of the Russian revolution …”

Plekhanov: The father of Russian Marxism. By Tony Cliff (Socialist Review, January 1957; online at Marxists Internet Archive). “The greatness of his historical contribution can be gauged only when set against the background of the anti-Tsarist liberatory movement as it existed prior to his work.”

A note on Plekhanov (1922). By Leon Trotsky (Fourth International, Vol.4, No.3, March 1943; online at Marxists Internet Archive). “Plekhanov’s misfortune came from the same source as came his immortal merit – he was a forerunner.”

Se også på Socialistisk Bibliotek:

The presidency of the First All-Russian Congress of Soviets of Workers and Soldiers Deputies, which existed in June and July 1917. From left to right: Matvey Skobelev, Nikolay Chkheidze, Georgi Plekhanov, and Tsereteli. Source: http://www.wikiwand.com/en/Irakli_Tsereteli